| Pawtucket to Olivares | 3,399.43 mi (5,470.86 km) |
| Pawtucket to Olivenza | 3,314.41 mi (5,334.03 km) |
| Pawtucket to Olot | 3,663.15 mi (5,895.27 km) |
| Pawtucket to Onate | 3,412.32 mi (5,491.59 km) |
| Pawtucket to Onda | 3,603.73 mi (5,799.65 km) |
| Pawtucket to Onteniente | 3,623.43 mi (5,831.34 km) |
| Pawtucket to Orihuela | 3,630.82 mi (5,843.24 km) |
| Pawtucket to Osuna | 3,456.60 mi (5,562.85 km) |
| Pawtucket to Ourense | 3,176.14 mi (5,111.50 km) |
| Pawtucket to Oviedo | 3,244.43 mi (5,221.41 km) |
| Pawtucket to Paiporta | 3,613.20 mi (5,814.89 km) |
| Pawtucket to Pajara | 3,305.25 mi (5,319.29 km) |
| Pawtucket to Palafolls | 3,691.07 mi (5,940.21 km) |
| Pawtucket to Palafrugell | 3,702.27 mi (5,958.22 km) |
| Pawtucket to Palamos | 3,702.94 mi (5,959.30 km) |
